return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for NOH (Hydroxyimidogen)

using model chemistry: mPW1PW91/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 3A"
Energy calculated at mPW1PW91/6-31+G**
 hartrees
Energy at 0K-130.413392
Energy at 298.15K-130.414480
HF Energy-130.413392
Nuclear repulsion energy28.823032
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at mPW1PW91/6-31+G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3731 3551 80.87      
2 A' 1270 1208 24.26      
3 A' 1152 1097 177.84      

Unscaled Zero Point Vibrational Energy (zpe) 3076.5 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 2928.2 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at mPW1PW91/6-31+G**
ABC
22.00670 1.21566 1.15203

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.057 0.761 0.000
O2 0.057 -0.556 0.000
H3 -0.860 -0.879 0.000

Atom - Atom Distances (Å)
  N1 O2 H3
N11.31731.8786
O21.31730.9720
H31.87860.9720

picture of Hydroxyimidogen state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 O2 H3 109.367
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.221      
2 O -0.151      
3 H 0.372      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.837 -1.441 0.000 2.335
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -9.753 1.797 0.000
y 1.797 -12.048 0.000
z 0.000 0.000 -11.921
Traceless
 xyz
x 2.232 1.797 0.000
y 1.797 -1.211 0.000
z 0.000 0.000 -1.020
Polar
3z2-r2-2.041
x2-y22.295
xy1.797
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.537 0.204 0.000
y 0.204 2.534 0.000
z 0.000 0.000 1.348


<r2> (average value of r2) Å2
<r2> 15.111
(<r2>)1/2 3.887